so as a deficit, romney has a plan but it's a secret. the republican party has imposed a new kind of political correctness on their leaders. they cannot speak certain words, taxes, speculate about certain ideas, a path to citizenship, because these are forbidden. romney has tried to run a campaign while not running afoul of his party's strictures. as for himself he's twisted himself into a pretzel, spoken vacuously. that's a straightjacket even peggy noonan's eloquence can't get him out of this. for more on this, read my "washington post" column this week on cnn.com. >>> for eight years mahmoud ahmadinejad has come to the u.n. general assembly and every time he's caused controversy, making accusations. veiled threats. this year was different. it was mostly platitudes about world peace but he had plenty of sharp comments in a series of interviews. his conversation with me was his final one. perhaps his final one on the world stage. you see, iran's election law says he can't run again and elections are set for 2013. so i asked him about is